Home / 108,379.44-162,598.38-45,178.56

Finding the Fourth Proportional to 108,379.44, 162,598.38 and 45,178.56

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Solution

The fourth proportional to 108,379.44, 162,598.38 and 45,178.56 is: 67,780.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,379.44 : 162,598.38 = 45,178.56 : x
  2. Step 2: Convert to fraction form
    108,379.44/162,598.38 = 45,178.56/x
  3. Step 3: Cross multiply
    108,379.44x = 162,598.38 × 45,178.56
  4. Step 4: Simplify right side
    108,379.44x = 7,345,960,666.73
  5. Step 5: Solve for x
    x = 7,345,960,666.73/108,379.44
  6. Step 6: Final answer
    x = 67,780.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.